Properties of the Number 66941

Sixty-Six Thousand Nine Hundred Forty-One

Basics

Value: 66940 → 66941 → 66942

Parity: odd

Prime: No

Previous Prime: 66931

Next Prime: 66943

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 73 × 131

Divisors: 1, 7, 73, 131, 511, 917, 9563, 66941

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010101111101

Octal: 202575

Duodecimal: 328A5

Hexadecimal: 1057d

Square: 4481097481

Square Root: 258.72958856690514

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that 3^k - 20 is prime. A219041

Number of d+/d- diagonally convex polyominoes with n cells. A187276

Numbers k such that gcd(prime(k+1) + 1, prime(k) + 1) = 4. A66941

Number of n X 6 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, rows lexicographically nondecreasing, and columns lexicographically nonincreasing. A229426